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The Foundry's Camera Tracker Render
The CAMERATRACKER plugin for After Effects allows you to extract 3D motion tracking and matchmoves without having to leave After Effects. It analyses the source footage and extracts the lens parameters and motion of the original camera, allowing you to correctly composite 2D or 3D elements with reference to the camera used to film the shot.
Camera tracking directly in After Effects
CAMERATRACKER is a plugin for After Effects. Unlike all other tracking solutions, you don't need to leave your compositing software to perform the tracking. This eliminates the usual problem of finding formats that work correctly for round-trips, and reduces those vast feature lists of conventional standalone trackers, enumerating format support and so on, to those that only count for tracking. The tracking is maintained live, so you can always come back later and refine the results if necessary, and at any time you can use the tracked data to create cameras, nulls and solids locked to positions in the context of your scene.
Integration with After Effects gives you the advantage of being able to pre-process your image sequence using any of the powerful tools available, without having to learn a new interface or pay for duplicate features. You also benefit from direct integration with compositing camera effects such as Shatter and Red Giant Software's Trapcode Particular, as well as the multitude of After Effects scripts available from the community, including those for I/O with Cinema4D, Maya, 3D Studio Max and more.
Basic tracking workflow
CAMERATRACKER analyses a source sequence and enables the creation of an After Effects camera, which matches the one with which the original sequence was filmed. The basic process takes place in 3 stages, namely:
Tracking - automatically generates a number of tracking points, based on a series of user-configurable parameters, and tracks them throughout the sequence. Tracks are abandoned and new ones regenerated if they fall below a certain quality threshold, then verified during a bidirectional tracking pass.
Solving - builds a model of the 3D feature positions of the tracking points and the camera with which they were filmed, based on the parallax observed in a number of key frames, chosen according to a series of user-configurable parameters.
Scene creation - creates an After Effects camera and a null that embody the analysed shot. The null can be used to control global scene parameters, such as scale, offset and rotation.
Operating modes
CAMERATRACKER can be run either fully automatically, or using its incredibly detailed and configurable options to allow you to adjust everything from tracking and validation to solving and object creation.
Viewport menu
CAMERATRACKER has a unique viewport menu, allowing quick and easy use of the plugin without having to move the cursor, and therefore your point of attention, away from the image itself.
Object creation
The viewport menu and associated keyboard shortcuts allow you to create After Effects solids and nulls in your composition, positioned to match your currently selected tracked feature points. Easily attach objects and text in the context of your scene.
Ground plane
CAMERATRACKER allows you to configure a ground plane, thereby defining the orientation and offset of the entire scene by various means, including:
Best fit defined on selection, for quick scene configuration. It takes the currently selected points and fits a plane through them. With 3 points, the plane uses these points as the defining structure, with 4 or more points, it finds an alignment with the least error. The centre of the best-fit plane is used for the offset, and the angle for the scene orientation.
Explicit origin definition, x, y, z definition, allowing precise control of scene offset and orientation. Selecting multiple points for the axis options fits a line of best fit through them. Ideal if you have multiple tracking points locked to an axis line in your scene.
Scene null for manual adjustment. All cameras, solids and nulls created by CAMERATRACKER are by default linked to the scene null. This allows you to easily configure the scale, rotation and offset of the entire scene using standard After Effects null controls.
Point cloud preview
Once a shot has been solved and a scene created, the user can toggle CAMERATRACKER into render mode for a 3D feature preview, which details the positions of individual feature points and their current selection and frame status. This unique feature can be used to visualise and help define ground planes and create objects.
Statistics readings and refinement workflow
CAMERATRACKER offers a complete workflow for solving statistics and refinement. Standard After Effects parameters are set showing a number of useful statistics, both after the tracking phase and after the solving phase. These parameters include measures for:
- Number of tracks
- Track lifetime, in minimum and average values
- Track distance, in average and maximum values
- Solve keyframe status
- Overall solve error
- Solve error margin (an excellent quality measure for your tracking)
- Solve errors per frame, in average and maximum values
- Solve errors per track in maximum value
CAMERATRACKER statistics
A variety of tools are provided to work with these statistics, to enable the isolation and removal of particular features, including:
Data overlays: Selection and hover tooltips are provided on feature points, allowing you to easily see the underlying point data. These include measures of tracking length, distance and error statistics.
Track search: Easily select the worst offenders on the current frame using the track search functionality available both in the viewport menu and via keyboard shortcuts.
Threshold statistics: Quickly select and remove the worst offenders over the entire time range of your entire sequence, using After Effects' built-in graph editor.
Lens distortion
CAMERATRACKER can estimate the lens distortion of the tracked clip for you, then provides the ability to un-distort and re-distort the shot. It will also refine an estimate that you enter and supports both spherical and anamorphic distortions.
Focal length and film back estimation
CAMERATRACKER is capable of working from shots with known focal length and film back, or of estimating this data for you using its production-tested, high-tech solving phase algorithms. Fixed and variable focal lengths can be calculated, and a flexible refinement function allows you to explicitly set a rough estimate if you wish to constrain yourself to a particular range.
Nodal pans
In addition to supporting standard moving camera shots, CAMERATRACKER's flexible tracking validation and solving stages can also be locked to solve nodal pans (i.e. when the camera body and lens pivot around the nodal point of the combination).
Other features
- Masking/object separation workflow - to enable selective tracking to handle more difficult shots
- Powerful display functions - showing tracking and feature quality measures both qualitatively and in preview
- Display options during tracking - to allow the user to choose whether or not to have feedback during the tracking process
- Sub-range selection - only track the temporal region you desire, using the combination of work area and analysis range options presented
System requirements
Camera tracker 1.0v10 is supported on the following platforms for After Effects 2015.3:
- Mac OS X 10.9, 10.10 or 10.11
- Microsoft Windows 7 with Service Pack 1, Windows 8, Windows 8.1 or Windows 10
Notes: For support of earlier versions of After Effects (CS6, CC, CC 2014), please use the previous version of Camera tracker (version 1.0v9).
The CAMERATRACKER plugin for After Effects allows you to extract 3D motion tracking and matchmoves without having to leave After Effects. It analyses the source footage and extracts the lens parameters and motion of the original camera, allowing you to correctly composite 2D or 3D elements with reference to the camera used to film the shot.
Camera tracking directly in After Effects
CAMERATRACKER is a plugin for After Effects. Unlike all other tracking solutions, you don't need to leave your compositing software to perform the tracking. This eliminates the usual problem of finding formats that work correctly for round-trips, and reduces those vast feature lists of conventional standalone trackers, enumerating format support and so on, to those that only count for tracking. The tracking is maintained live, so you can always come back later and refine the results if necessary, and at any time you can use the tracked data to create cameras, nulls and solids locked to positions in the context of your scene.
Integration with After Effects gives you the advantage of being able to pre-process your image sequence using any of the powerful tools available, without having to learn a new interface or pay for duplicate features. You also benefit from direct integration with compositing camera effects such as Shatter and Red Giant Software's Trapcode Particular, as well as the multitude of After Effects scripts available from the community, including those for I/O with Cinema4D, Maya, 3D Studio Max and more.
Basic tracking workflow
CAMERATRACKER analyses a source sequence and enables the creation of an After Effects camera, which matches the one with which the original sequence was filmed. The basic process takes place in 3 stages, namely:
Tracking - automatically generates a number of tracking points, based on a series of user-configurable parameters, and tracks them throughout the sequence. Tracks are abandoned and new ones regenerated if they fall below a certain quality threshold, then verified during a bidirectional tracking pass.
Solving - builds a model of the 3D feature positions of the tracking points and the camera with which they were filmed, based on the parallax observed in a number of key frames, chosen according to a series of user-configurable parameters.
Scene creation - creates an After Effects camera and a null that embody the analysed shot. The null can be used to control global scene parameters, such as scale, offset and rotation.
Operating modes
CAMERATRACKER can be run either fully automatically, or using its incredibly detailed and configurable options to allow you to adjust everything from tracking and validation to solving and object creation.
Viewport menu
CAMERATRACKER has a unique viewport menu, allowing quick and easy use of the plugin without having to move the cursor, and therefore your point of attention, away from the image itself.
Object creation
The viewport menu and associated keyboard shortcuts allow you to create After Effects solids and nulls in your composition, positioned to match your currently selected tracked feature points. Easily attach objects and text in the context of your scene.
Ground plane
CAMERATRACKER allows you to configure a ground plane, thereby defining the orientation and offset of the entire scene by various means, including:
Best fit defined on selection, for quick scene configuration. It takes the currently selected points and fits a plane through them. With 3 points, the plane uses these points as the defining structure, with 4 or more points, it finds an alignment with the least error. The centre of the best-fit plane is used for the offset, and the angle for the scene orientation.
Explicit origin definition, x, y, z definition, allowing precise control of scene offset and orientation. Selecting multiple points for the axis options fits a line of best fit through them. Ideal if you have multiple tracking points locked to an axis line in your scene.
Scene null for manual adjustment. All cameras, solids and nulls created by CAMERATRACKER are by default linked to the scene null. This allows you to easily configure the scale, rotation and offset of the entire scene using standard After Effects null controls.
Point cloud preview
Once a shot has been solved and a scene created, the user can toggle CAMERATRACKER into render mode for a 3D feature preview, which details the positions of individual feature points and their current selection and frame status. This unique feature can be used to visualise and help define ground planes and create objects.
Statistics readings and refinement workflow
CAMERATRACKER offers a complete workflow for solving statistics and refinement. Standard After Effects parameters are set showing a number of useful statistics, both after the tracking phase and after the solving phase. These parameters include measures for:
- Number of tracks
- Track lifetime, in minimum and average values
- Track distance, in average and maximum values
- Solve keyframe status
- Overall solve error
- Solve error margin (an excellent quality measure for your tracking)
- Solve errors per frame, in average and maximum values
- Solve errors per track in maximum value
CAMERATRACKER statistics
A variety of tools are provided to work with these statistics, to enable the isolation and removal of particular features, including:
Data overlays: Selection and hover tooltips are provided on feature points, allowing you to easily see the underlying point data. These include measures of tracking length, distance and error statistics.
Track search: Easily select the worst offenders on the current frame using the track search functionality available both in the viewport menu and via keyboard shortcuts.
Threshold statistics: Quickly select and remove the worst offenders over the entire time range of your entire sequence, using After Effects' built-in graph editor.
Lens distortion
CAMERATRACKER can estimate the lens distortion of the tracked clip for you, then provides the ability to un-distort and re-distort the shot. It will also refine an estimate that you enter and supports both spherical and anamorphic distortions.
Focal length and film back estimation
CAMERATRACKER is capable of working from shots with known focal length and film back, or of estimating this data for you using its production-tested, high-tech solving phase algorithms. Fixed and variable focal lengths can be calculated, and a flexible refinement function allows you to explicitly set a rough estimate if you wish to constrain yourself to a particular range.
Nodal pans
In addition to supporting standard moving camera shots, CAMERATRACKER's flexible tracking validation and solving stages can also be locked to solve nodal pans (i.e. when the camera body and lens pivot around the nodal point of the combination).
Other features
- Masking/object separation workflow - to enable selective tracking to handle more difficult shots
- Powerful display functions - showing tracking and feature quality measures both qualitatively and in preview
- Display options during tracking - to allow the user to choose whether or not to have feedback during the tracking process
- Sub-range selection - only track the temporal region you desire, using the combination of work area and analysis range options presented
System requirements
Camera tracker 1.0v10 is supported on the following platforms for After Effects 2015.3:
- Mac OS X 10.9, 10.10 or 10.11
- Microsoft Windows 7 with Service Pack 1, Windows 8, Windows 8.1 or Windows 10
Notes: For support of earlier versions of After Effects (CS6, CC, CC 2014), please use the previous version of Camera tracker (version 1.0v9).
Camera Tracker Render
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